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// -*- mode:java; encoding:utf-8 -*-

// vim:set fileencoding=utf-8:

// https://ateraimemo.com/Swing/AnalogClock.html

//package example;

import java.awt.*;

import java.awt.geom.AffineTransform;

import java.awt.geom.Ellipse2D;

import java.awt.geom.Line2D;

import java.time.LocalTime;

import java.time.ZoneId;

import javax.swing.*;

public final class MainPanel extends JPanel {

  private MainPanel() {

    super(new BorderLayout());

    add(new AnalogClock());

    setPreferredSize(new Dimension(250, 250));

  }

  public static void main(String[] args) {

    EventQueue.invokeLater(MainPanel::createAndShowGui);

  }

  private static void createAndShowGui() {

    try {

      UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

    } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {

      ex.printStackTrace();

      Toolkit.getDefaultToolkit().beep();

    }

    JFrame frame = new JFrame("AnalogClock");

    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

    frame.getContentPane().add(new MainPanel());

    frame.pack();

    frame.setLocationRelativeTo(null);

    frame.setVisible(true);

  }

}

class AnalogClock extends JPanel {

  protected LocalTime time;// = LocalTime.now(ZoneId.systemDefault());

  protected AnalogClock() {

    super();

    new Timer(100, e -> {

      time = LocalTime.now(ZoneId.systemDefault());

      repaint();

    }).start();

  }

  @Override protected void paintComponent(Graphics g) {

    Graphics2D g2 = (Graphics2D) g.create();

    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

    Rectangle rect = SwingUtilities.calculateInnerArea(this, null);

    g2.setColor(Color.BLACK);

    g2.fill(rect);

    float radius = Math.min(rect.width, rect.height) / 2f - 10f;

    // g2.fill(new Ellipse2D.Double(rect.getCenterX() - radius, rect.getCenterY() - radius, radius * 2f, radius * 2f));

    g2.translate(rect.getCenterX(), rect.getCenterY());

    // Drawing the hour markers

    float hourMarkerLen = radius / 6f - 10f;

    Shape hourMarker = new Line2D.Float(0f, hourMarkerLen - radius, 0f, -radius);

    Shape minuteMarker = new Line2D.Float(0f, hourMarkerLen / 2f - radius, 0f, -radius);

    AffineTransform at = AffineTransform.getRotateInstance(0d);

    g2.setStroke(new BasicStroke(2f));

    g2.setColor(Color.WHITE);

    for (int i = 0; i < 60; i++) {

      if (i % 5 == 0) {

        g2.draw(at.createTransformedShape(hourMarker));

      } else {

        g2.draw(at.createTransformedShape(minuteMarker));

      }

      at.rotate(Math.PI / 30d);

    }

    //文字12 3 6 9 rectは横250,縦250 たてよこのセンターが原点0,0

    Font font = new Font("Arial", Font.BOLD, 14);

    g2.setFont(font);

    g2.drawString("12", radius * 0.75f * (int)Math.cos(Math.PI / 2f) - 7f, -radius * 0.75f * (int)Math.sin(Math.PI / 2f));

    g2.drawString("3", radius * 0.75f * (int)Math.cos(0f), -radius * 0.75f * (int)Math.sin(0f) + 7f);

    g2.drawString("6", radius * 0.75f * (int)Math.cos(-Math.PI / 2f) - 7f, -radius * 0.75f * (int)Math.sin(-Math.PI / 2f) + 7f);

    g2.drawString("9", radius * 0.75f * (int)Math.cos(Math.PI) - 7f, -radius * 0.75f * (int)Math.sin(Math.PI) + 7f);

    double miriRot = time.getNano() * Math.PI / 30000000000d;//OK!

    double miriSecondRot = time.getSecond() * Math.PI / 30d + miriRot;

    double secondRot = time.getSecond() * Math.PI / 30d;

    double minuteRot = time.getMinute() * Math.PI / 30d + secondRot / 60d;

    // double hourRot = time.getHour() * Math.PI * 2d / 12d + time.getMinute() * Math.PI * 2d / (12d * 60d);

    double hourRot = time.getHour() * Math.PI / 6d + minuteRot / 12d;

    // Drawing the hour hand

    float hourHandLen = radius / 1.5f;

    Shape hourHand = new Line2D.Float(0f, 0f, 0f, -hourHandLen);

    g2.setStroke(new BasicStroke(8f));

    g2.setPaint(Color.cyan);    //LIGHT_GRAY);

    g2.draw(AffineTransform.getRotateInstance(hourRot).createTransformedShape(hourHand));

    // Drawing the minute hand

    float minuteHandLen = 5f * radius / 6f;

    Shape minuteHand = new Line2D.Float(0f, 0f, 0f, -minuteHandLen);

    g2.setStroke(new BasicStroke(4f));

    g2.setPaint(Color.green);  //WHITE);

    g2.draw(AffineTransform.getRotateInstance(minuteRot).createTransformedShape(minuteHand));

    // Drawing the second hand

    float r = radius / 6f;

    float secondHandLen = radius - r;

    Shape secondHand = new Line2D.Float(0f, r, 0f, -secondHandLen);

    g2.setPaint(Color.RED);

    g2.setStroke(new BasicStroke(1f));

    g2.draw(AffineTransform.getRotateInstance(miriSecondRot).createTransformedShape(secondHand));

    g2.fill(new Ellipse2D.Float(-r / 4f, -r / 4f, r / 2f, r / 2f));

    g2.dispose();

  }

}

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Data;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Imaging;

using System.Windows.Navigation;

using System.Windows.Shapes;

using System.Drawing;

using System.Windows.Threading;

using System.Diagnostics;

////////////////////////////////////////できたぞ！////////////////////////////////////////

namespace WpfApp1

{

    /// <summary>

    /// Interaction logic for MainWindow.xaml

    /// </summary>

    public partial class MainWindow : Window

    {

        readonly DispatcherTimer timer = new DispatcherTimer();

        private DispatcherTimer _timer;

        Brush[] _brush = new Brush[3];

        int[] _futo = new int[3];

        Boolean timerStart = false;

        BitmapImage img = new BitmapImage(new Uri("img/banmen.png", UriKind.Relative));

        ImageBrush myImageBrush; //= new ImageBrush(img);

        string jikan;

        double fun, byo, miriByo;

        const int BYO = 0;

        const int FUN = 1;

        const int JIK = 2;

        const int BYO_NAGA2 = 20;

        const int BYO_NAGA = 90;

        const int FUN_NAGA = 80;

        const int JIK_NAGA = 60;

        const int BYO_360 = 6; //秒 6 は 360 / 6 = 60秒

        const int FUN_360 = 6; //分 6 は 360 / 6 = 60分

        const int JIK_360 = 30; //時 30 は 360 / 30 = 12時間

        const int BYO_FUTO = 1;

        const int FUN_FUTO = 2;

        const int JIK_FUTO = 4;

        public MainWindow()

        {

            InitializeComponent();

            timer.Interval = new TimeSpan(0, 0, 0, 0, 100);    //インターバルを100ミリ秒に設定 日,時,分,秒,ミリ秒

            timer.Tick += new EventHandler(TimerMethod);  //インターバル毎に発生するイベントを設定

            //Topmost = true;                               //最画面表示（このプロパティはなくても良い）

            _brush[BYO] = System.Windows.Media.Brushes.Red;

            _brush[FUN] = System.Windows.Media.Brushes.Blue;

            _brush[JIK] = System.Windows.Media.Brushes.Black;

            _futo[BYO] = BYO_FUTO;

            _futo[FUN] = FUN_FUTO;

            _futo[JIK] = JIK_FUTO;

            myImageBrush = new ImageBrush(img);

            timerStart = true;

            timer.Start();

        }

        private void TimerMethod(object sender, EventArgs e)

        {

            myTimerMethod();

        }

        

        private Image CreateImage(double x, double y, double width, double height, Stretch stretch)

        {// Imageオブジェクトの生成

            Image image = new Image();

            image.Source = new BitmapImage(new Uri("img/banmen.png", UriKind.Relative));

            Canvas.SetLeft(image, 0);

            Canvas.SetTop(image, 0);

            image.Width = 200;

            image.Height = 200;

            image.Stretch = stretch;

            return image;

        }

        

        private ContentControl CreateText(string text, double fontSize, Brush brush, double x, double y, double widh, double height, HorizontalAlignment hAlign, VerticalAlignment vAlign)

        {// TextBlockオブジェクトの生成(配置を指定するためのContentControlでラップする）

            ContentControl content = new ContentControl();

            Canvas.SetLeft(content, x);

            Canvas.SetTop(content, y);

            content.Width = widh;

            content.Height = height;

            TextBlock tb = new TextBlock();

            tb.Text = text;

            tb.FontSize = fontSize;

            tb.Foreground = brush;

            tb.HorizontalAlignment = hAlign;

            tb.VerticalAlignment = vAlign;

            content.Content = tb;

            return content;

        }

        private void myTimerMethod()

        {

            if (timerStart)

            {                

                DateTime d = DateTime.Now;

                miriByo = d.Millisecond / 1000.0;

                byo = d.Second / 60.0; //C#の実数割り算はどちらかに.0をつけること！

                fun = d.Minute / 60.0;

                canv01.Children.Clear();

                jikan = d.ToLongTimeString();

                canv01.Children.Add(CreateImage(0, 0, 200, 200, Stretch.Fill));

                canv01.Children.Add(CreateText(jikan, 16.0d, Brushes.Black, 65.0d, 110.0d, 200.0d, 30.0d, HorizontalAlignment.Left, VerticalAlignment.Center));

                //MOTOmydraw(BYO_360, BYO, d.Second, BYO_NAGA);

                mydraw(BYO_360, BYO, d.Second + miriByo, BYO_NAGA);

                mydraw(BYO_360, BYO, d.Second + miriByo + 30, BYO_NAGA2); //秒針の中心より反対側を描く

                mydraw(FUN_360, FUN, d.Minute + byo, FUN_NAGA);

                mydraw(JIK_360, JIK, d.Hour + fun, JIK_NAGA);

            }

        }

        private void mydraw(int bairitu, int ban, double time, int harinaga)

        {            

            int cx = 200 / 2;//中心点

            int cy = 200 / 2;            

            int x1 = cx;//原点

            int y1 = cy;            

            double kakudotani = Math.PI / 180;//針

            double kakudo = kakudotani * bairitu * time - Math.PI / 2;

            int x2 = cx + (int)(Math.Cos(kakudo) * harinaga);

            int y2 = cy + (int)(Math.Sin(kakudo) * harinaga);

            Line myLine = new Line();

            myLine.Stroke = _brush[ban];//System.Windows.Media.Brushes.LightSteelBlue;

            myLine.X1 = x1;

            myLine.X2 = x2;

            myLine.Y1 = y1;

            myLine.Y2 = y2;

            myLine.HorizontalAlignment = HorizontalAlignment.Left;

            myLine.VerticalAlignment = VerticalAlignment.Center;

            myLine.StrokeThickness = _futo[ban];

            Canvas.SetLeft(myLine, 0);

            Canvas.SetTop(myLine, 0);

            canv01.Children.Add(myLine);

        }

        private void btn02_Click(object sender, RoutedEventArgs e)

        {//私がVisibilityをHiddenにしているぞ

            MessageBox.Show("ボタン2がクリックされました。timerStart");

            myImageBrush = new ImageBrush(img);

            timerStart = true;

            timer.Start();//ストップウォッチ開始

        }

    }

}